These devices use rope-like material to carry movement from the shoulder to the prosthetic arm.

VOA: special.2009.03.10

One, we can train them to perform these elaborate eye and arm movement tasks as you are seeing here I will describe.

第一，我们可以训练他们去完成眼睛和手臂运动等精细的动作,正如我要介绍的那样。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

This is happening while making arm movement from the left into the right.

当手臂从左向右活动的时候，就会出现这样的情况。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Sthe motor cortex is involved in planning, and executing arm movement.

运动皮层对手臂运动进行计划，和执行。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选